The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 18, 1994
Filed:
Aug. 24, 1992
Hideaki Kishida, Yamato, JP;
Akira Katayama, Yokohama, JP;
Kimiyuki Hayasaki, Yokohama, JP;
Nobuyuki Watanabe, Yokohama, JP;
Jiro Moriyama, Yokohama, JP;
Toshiaki Hirosawa, Hiratsuka, JP;
Torachika Osada, Kawasaki, JP;
Hidemi Kubota, Tokyo, JP;
Yutaka Koizumi, Tokyo, JP;
Mineo Kaneko, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet recorder includes a plurality of recording elements which are arranged corresponding to each of a plurality of ejection outlets for ejecting ink in accordance with driving signals, a plurality of ejection passages corresponding to the ejection outlets and connected to a common chamber, a plurality of driving blocks formed by dividing the recording elements by predetermined number of units in the arrangement order, control elements for each of the driving blocks and for controlling the recording elements associated with each driving block in a simultaneous driving manner, a selection unit for selecting the driving block to be driven in order that at least adjacent driving blocks are not driven in sequence, and a supply unit for supplying driving signals to the driving block selected by the said selecting unit. With this arrangement, ink in ejection passages associated with a driving block adjacent the selected driving block will not be significantly affected when the selected driving block is driven.